TY - GEN
T1 - A Markov-transition model for cascading failures in power grids
AU - Wang, Zhifang
AU - Scaglione, Anna
AU - Thomas, Robert J.
PY - 2012/1/1
Y1 - 2012/1/1
N2 - The electric power grid is a complex critical infrastructure network. Its inter-connectivity enables long-distance transmission of power for more efficient system operation. The same inter-connectivity, however, also allows the propagation of disturbances. In fact, blackouts due to cascading failures occur because of the intrinsic electrical properties of this propagation and physical mechanisms that are triggered by it. In this paper we propose a stochastic Markov model, whose transition probabilities are derived from a stochastic model for the flow redistribution, that can potentially capture the progression of cascading failures and its time span. We suggest a metric that should be monitored to expose the risk of failure and the time margin that is left to perform corrective action. Finally we experiment with the proposed stochastic model on the IEEE 300 bus system and provide numerical analysis.
AB - The electric power grid is a complex critical infrastructure network. Its inter-connectivity enables long-distance transmission of power for more efficient system operation. The same inter-connectivity, however, also allows the propagation of disturbances. In fact, blackouts due to cascading failures occur because of the intrinsic electrical properties of this propagation and physical mechanisms that are triggered by it. In this paper we propose a stochastic Markov model, whose transition probabilities are derived from a stochastic model for the flow redistribution, that can potentially capture the progression of cascading failures and its time span. We suggest a metric that should be monitored to expose the risk of failure and the time margin that is left to perform corrective action. Finally we experiment with the proposed stochastic model on the IEEE 300 bus system and provide numerical analysis.
UR - http://www.scopus.com/inward/record.url?scp=84863250564&partnerID=8YFLogxK
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U2 - 10.1109/HICSS.2012.63
DO - 10.1109/HICSS.2012.63
M3 - Conference contribution
AN - SCOPUS:84863250564
SN - 9780769545257
T3 - Proceedings of the Annual Hawaii International Conference on System Sciences
SP - 2115
EP - 2124
BT - Proceedings of the 45th Annual Hawaii International Conference on System Sciences, HICSS-45
PB - IEEE Computer Society
T2 - 2012 45th Hawaii International Conference on System Sciences, HICSS 2012
Y2 - 4 January 2012 through 7 January 2012
ER -